50063561 has 4 divisors (see below), whose sum is σ = 50088324. Its totient is φ = 50038800.

The previous prime is 50063557. The next prime is 50063581. The reversal of 50063561 is 16536005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16536005 = 5 ⋅3307201.

It can be written as a sum of positive squares in 2 ways, for example, as 36966400 + 13097161 = 6080^2 + 3619^2 .

It is a cyclic number.

It is not a de Polignac number, because 50063561 - 2² = 50063557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50063561.

It is not an unprimeable number, because it can be changed into a prime (50063581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9050 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (12522081).

Almost surely, 2^50063561 is an apocalyptic number.

It is an amenable number.

50063561 is a deficient number, since it is larger than the sum of its proper divisors (24763).

50063561 is a wasteful number, since it uses less digits than its factorization.

50063561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24762.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 50063561 is about 7075.5608258286. The cubic root of 50063561 is about 368.5591909126.

Adding to 50063561 its reverse (16536005), we get a palindrome (66599566).

The spelling of 50063561 in words is "fifty million, sixty-three thousand, five hundred sixty-one".